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发明名称
Wiper
摘要
申请公布号
US2253269(A)
申请公布日期
1941.08.19
申请号
US19400323006
申请日期
1940.03.08
申请人
GADDIS ROBERT W
发明人
GADDIS ROBERT W.
分类号
G01F23/04
主分类号
G01F23/04
代理机构
代理人
主权项
地址
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